Table 3 Sensitivity and specificity of symptoms and signs in predicting urinary tract abnormality on ultrasound.
Sensitivity 95%CI (%) | Specificity 95%CI (%) | |||
|---|---|---|---|---|
Pain on micturating | 64 | 44 -- 81 | 81 | 76 -- 86 |
Urgency | 68 | 48 -- 84 | 82 | 77 -- 87 |
Self perceived frothy urine | 29 | 13 -- 49 | 89 | 84 -- 92 |
Self perceived haematuria | 46 | 28 -- 66 | 86 | 81 -- 91 |
Self reported schistosomiasis in past year | 71 | 51 -- 87 | 77 | 71 -- 82 |
Detected haematuria | 26 | 11 -- 46 | 97 | 94 -- 99 |
Detected eggs in urine | 39 | 22 -- 59 | 98 | 95 -- 99 |
One or more of self-reported schistosomiasis in past year, urgency and eggs in urine | 93 | 76-99 | 64 | 58 -- 71 |
Two or more of self-reported schistosomiasis in past year, urgency and eggs in urine | 70 | 50 -- 86 | 92 | 88 -- 96 |
All three of self-reported schistosomiasis in past year, urgency and eggs in urine | 22 | 9 -- 42 | 100 | 98 -- 100 |